fizz_buzz/lib/utils.js

Play Fizz Buzz like a Boss!

'use strict';

Object.defineProperty(exports, "__esModule", {
  value: true
});
/** Throw error when required arguments are not provided */
var required = exports.required = function required() {
  throw new Error('Please provide all the required arguments');
};

/**
 * Check if `x` is a multiple of given factors
 *
 * @example
 *   multipleOf(5, 7)(35) -> true
 *   multipleOf(9)(36)    -> true
 *   multipleOf(9)(30)    -> false
 */
/** :: (...number) -> (x: number) -> boolean */
var multipleOf = exports.multipleOf = function multipleOf() {
  for (var _len = arguments.length, factors = Array(_len), _key = 0; _key < _len; _key++) {
    factors[_key] = arguments[_key];
  }

  return function (x) {
    return factors.every(function (factor) {
      return x % factor === 0;
    });
  };
};